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$592+ Cheap flights from Australia to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SDF
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Australia to Louisville

Cheapest flights from Australia to Louisville
Explore the most affordable flight options available from Australia to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:10 pmSYD - SDF
2 stops23h 49mUnited Airlines
Sun 1/42:00 pmSDF - SYD
2 stops24h 20mUnited Airlines
Deal found 10/29$1,633
This Qantas Airways deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:25 amADL - SDF
2 stops28h 28mQantas Airways
Mon 11/31:42 pmSDF - ADL
2 stops36h 33mQantas Airways
Deal found 10/28$2,408
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:20 amSYD - SDF
2 stops22h 18mAmerican Airlines
Sat 12/208:12 pmSDF - SYD
2 stops23h 43mAmerican Airlines
Deal found 10/28$2,534
This Qatar Airways deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:35 pmADL - SDF
3 stops46h 48mQatar Airways
Mon 11/36:50 amSDF - ADL
3 stops57h 50mQatar Airways
Deal found 10/28$2,616
This Air New Zealand deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:45 amSYD - SDF
3 stops26h 45mMultiple Airlines
Sun 1/45:40 amSDF - SYD
3 stops35h 05mMultiple Airlines
Deal found 10/29$2,726
This Qantas Airways deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:30 amSYD - SDF
3 stops29h 30mMultiple Airlines
Sat 12/201:50 pmSDF - SYD
2 stops25h 35mMultiple Airlines
Deal found 10/28$2,835
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:50 amSYD - SDF
1 stop24h 04mUnited Airlines
Sat 12/209:05 amSDF - SYD
1 stop29h 55mUnited Airlines
Deal found 10/28$3,213

Cheap flight deals from Australia to Louisville

Keep the following information in mind while searching for Australia to Louisville flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,024
(American Airlines)

One-way from

$592
(Delta)

Popular in

December

Cheapest in

October

Average price

$1,068
Provider with most accurate pricing for Sydney Kingsford Smith-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Louisville Intl flights.
Search Deals
From Australia to Louisville Intl
Search Deals
One-way flight from Australia to Louisville Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($142 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($87 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Australia to Louisville that are best for you.

Fly from

Australia

Fly to

Louisville

Route

Depart

Return

Price

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Fri 3/6

11:20 am-10:59 pm

2 stops27h 39m

Louisville Intl

Tue 3/10

6:05 pm-9:00 am

2 stops47h 55m

$1,024

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Fri 3/6

4:05 pm-10:59 pm

1 stop22h 54m

Louisville Intl

Mon 3/9

7:53 pm-5:00 am

2 stops66h 07m

$1,071

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Fri 3/6

10:10 am-8:52 pm

2 stops26h 42m

Louisville Intl

Mon 3/9

6:00 am-7:00 am

2 stops34h 00m

$1,124

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Fri 3/6

10:40 am-9:45 pm

2 stops27h 05m

Louisville Intl

Tue 3/10

10:10 am-6:05 am

2 stops28h 55m

$1,541

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Sat 12/20

2:00 pm-10:24 pm

2 stops24h 24m

Louisville Intl

Sun 1/4

3:25 pm-7:00 am

1 stop23h 35m

$1,633

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Fri 3/6

11:50 am-7:35 pm

1 stop23h 45m

Louisville Intl

Tue 3/10

3:50 pm-7:00 am

1 stop24h 10m

$1,706

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Fri 3/6

4:05 pm-7:43 pm

1 stop19h 38m

Louisville Intl

Mon 3/9

2:19 pm-5:00 am

1 stop23h 41m

$2,400

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Sat 12/13

8:30 am-10:00 pm

3 stops29h 30m

Louisville Intl

Sat 12/20

1:50 pm-7:25 am

2 stops25h 35m

$2,835

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Sat 12/20

9:55 am-10:30 pm

3 stops28h 35m

Louisville Intl

Sun 1/4

9:05 am-8:45 am

2 stops31h 40m

$2,896

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Wed 2/25

10:10 am-11:56 pm

2 stops29h 46m

$592

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 15 results
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Best time to book a flight from Australia to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Australia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Louisville

What is the cheapest month to book a flight from Australia to Louisville?

Currently, November is the cheapest month in which you can book a flight from Australia to Louisville (average of $638). Flying from Australia to Louisville in April is currently the most expensive (average of $1,085). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AU to SDF?

Find hourly flight availability from Australia to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Australia to Louisville at noon. Doing so could potentially save you 30% on the flight price compared to flying in the afternoon, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Australia to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Australia?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from Australia to Louisville.

  • How long is the flight from Australia to Louisville?

    For as low as $1,124, American Airlines can have you in Louisville from Australia in 26h 42m. Australia and Louisville are separated by a distance of 9709 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Australia to Louisville one-way?

    One-way options have recently been found by users for as low as $592 on Delta. Other airlines that offer cheap prices include United Airlines from $837 and American Airlines from $959 one-way.

  • What are the most popular routes from Australia to Louisville?

    The most popular flight routes from Australia to Louisville are Sydney Kingsford Smith - Louisville Intl, Adelaide - Louisville Intl and Melbourne - Louisville Intl.

  • Can I find deals for flights from Australia to Louisville that include hotel bookings?

    Yes. In addition to deals on Australia to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Louisville.

  • Can I find deals for business class flights from Australia to Louisville?

    Yes. Cheapflights offers flight deals from Australia to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to Louisville?

    Currently, November is the cheapest month in which you can book a flight from Australia to Louisville (average of $638). Flying from Australia to Louisville in April is currently the most expensive (average of $1,085). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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